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UPS5000-E-(40 kVA-320 kVA)
User Manual
Port
DO_3
DO_4
DB26
Battery
temperatur
e sensor
port
Southboun
d port 2
Southboun
d port 1
Network
port
Northboun
d
communic
ations port
2.5 Typical Configurations
Table 2-5
Issue 10 (2015-09-15)
Silk
Screen
NO
COM
NO
COM
MDU
B_TEMP
COM2
COM1
FE
RS485
Dry contact signals take effect only after you set them on the LCD. Set unused dry contact signals to
Disable.
Set the EPO port to NO or NC as required.
In a parallel system, ensure correct connections between dry contacts and each UPS.
Signal cables must be double-insulated twisted cables. If the cable length is 25–50 m, the
cross-sectional area must be 0.5–1.5 mm
describes typical UPS configurations.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
default, it indicates minor alarms. The maximum voltage is 30
V DC, and the maximum current is 1 A.
DO indicates critical alarms, minor alarms, bypass mode,
battery mode, low battery voltage, or D.G. control. DO_3
indicates any of the six meanings (except for D.G. control); by
default, it indicates bypass mode. The maximum voltage is 30
V DC, and the maximum current is 1 A.
DO indicates critical alarms, minor alarms, bypass mode,
battery mode, low battery voltage, or D.G. control. DO_4
indicates any of the six meanings (except for D.G. control); by
default, it indicates battery mode. The maximum voltage is 30
V DC, and the maximum current is 1 A. When the UPS works
in intelligent mode, DO_4 indicates D.G. control, which
cannot be changed.
Provides FE, RS485, Inter-Integrated Circuit (I2C), and
control area network (CAN) signals.
Connects to an indoor battery temperature sensor. This port
can connect to a short-distance battery temperature sensor.
Connects to a southbound device, such as a BMU.
Connects to an ambient temperature and humidity sensor over
two wires.
N/A
Connects to a northbound network management device or
third-party network management device over two wires.
2
.
2 Overview
26
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